# Copyright Rene Rivera 2011-2019
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)

import ../tools/check/predef : require check : predef-require predef-check ;
import common ;
import path ;
import regex ;

# This deals with the unfortunate aspect of a Boost monolithic release
# not having the modular include dirs. This is a kludge that just removes
# the direct dependency to the header if it can't find it.
local PREDEF_H = $(BOOST_PREDEF_INCLUDE)/boost/predef.h ;
if ! [ path.exists $(PREDEF_H) ]
{
    PREDEF_H = ;
}

project
    :   requirements
        <include>$(BOOST_PREDEF_INCLUDE)
        # Add explicit dependency since we don't have header scanner for
        # .m and .mm files.
        <dependency>$(PREDEF_H)
    ;

using testing ;

test-suite predef-info :
    [ run info_as_cpp.cpp : : : <test-info>always_show_run_output ]
    [ run info_as_c.c : : : <test-info>always_show_run_output ]
    [ run info_as_objcpp.mm : : : <test-info>always_show_run_output <conditional>@objc ]
    [ run info_as_objc.m : : : <test-info>always_show_run_output <conditional>@objc ]
    ;

rule objc ( props * )
{
    if ! ( <target-os>darwin in $(props) )
    {
        return <build>no ;
    }
}

test-suite predef :
    [ run version.cpp ]
    [ run make.cpp ]
    [ compile macos_endian.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
    [ compile macos_vs_bsd.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
    [ run check_value.cpp : : : <test-info>always_show_run_output
        [ predef-check "BOOST_COMP_CLANG > 0.0.0" "BOOST_OS_LINUX == 0" : : <cxxflags>-DCHECK_VALUE=true ] ]
    [ run workaround.cpp ]
    [ compile workaround_strict_config.cpp ]
    [ run tested_at.cpp ]
    [ compile-fail tested_at_outdated.cpp : <test-info>always_show_run_output ]
	[ compile platform_windows.cpp ]
    ;

local HEADERS = [ path.glob
    $(BOOST_PREDEF_INCLUDE)/predef
    $(BOOST_PREDEF_INCLUDE)/predef/architecture
    $(BOOST_PREDEF_INCLUDE)/predef/architecture/x86
    $(BOOST_PREDEF_INCLUDE)/predef/compiler
    $(BOOST_PREDEF_INCLUDE)/predef/hardware
    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd
    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/arm
    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/ppc
    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/x86
    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/x86_amd
    $(BOOST_PREDEF_INCLUDE)/predef/language
    $(BOOST_PREDEF_INCLUDE)/predef/library
    $(BOOST_PREDEF_INCLUDE)/predef/library/c
    $(BOOST_PREDEF_INCLUDE)/predef/library/std
    $(BOOST_PREDEF_INCLUDE)/predef/os
    $(BOOST_PREDEF_INCLUDE)/predef/os/bsd
    $(BOOST_PREDEF_INCLUDE)/predef/other
    $(BOOST_PREDEF_INCLUDE)/predef/platform
    : *.h
    ] ;
local single_header_cpp ;
for local h in $(HEADERS)
{
    local header_include = [ path.relative $(h) [ path.make $(BOOST_PREDEF_INCLUDE) ] ] ;
    local header_cpp = [ regex.replace $(header_include:S=.cpp) "/" "_" ] ;
    .HEADER($(header_cpp:B:S=)) = $(header_include) ;
    make $(header_cpp) : : @gen_single_header_cpp ;
    explicit $(header_cpp) ;
    compile $(header_cpp) : <warnings-as-errors>on <warnings>all : $(header_cpp:B:S=) ;
    explicit $(header_cpp:B:S=) ;
    single_header_cpp += $(header_cpp:B:S=) ;
}

test-suite predef-headers : $(single_header_cpp) ;

.file_touch_cmd = [ common.file-touch-command ] ;

rule gen_single_header_cpp ( target * : source * : properties * )
{
    HEADER on $(target) = $(.HEADER($(target[1]:B))) ;
}
actions gen_single_header_cpp
{
    $(.file_touch_cmd) @($(<):<=":>=":O=F:E=#include <$(HEADER)>)
}

# Minimal testing done for predef for CI. Since
# we don't have many we can just do all of them.
alias minimal : predef predef-info ;

# Full testing target for regular regression tests.
alias full : predef predef-info ;

# Extra's target.
alias extra : predef-headers ;

explicit minimal ;
explicit extra ;
